From 9ef9730ba84d4021a27d3a1679fd50f9bac0e0e7 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 9 Jan 2014 08:34:00 +0300 Subject: [PATCH] cxgb4: silence shift wrapping static checker warning I don't know how large "tp->vlan_shift" is but static checkers worry about shift wrapping bugs here. Signed-off-by: Dan Carpenter Acked-by: Dimitris Michailidis Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/l2t.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c index cb05be905def..81e8402a74b4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c @@ -423,7 +423,7 @@ u64 cxgb4_select_ntuple(struct net_device *dev, * in the Compressed Filter Tuple. */ if (tp->vlan_shift >= 0 && l2t->vlan != VLAN_NONE) - ntuple |= (F_FT_VLAN_VLD | l2t->vlan) << tp->vlan_shift; + ntuple |= (u64)(F_FT_VLAN_VLD | l2t->vlan) << tp->vlan_shift; if (tp->port_shift >= 0) ntuple |= (u64)l2t->lport << tp->port_shift; -- 2.39.2